It is ok to have them, but we don't support interacting with them in 100.0 (there is no API to query/edit related tables). However, we are adding support for this with 100.1, which will be out in the coming weeks.
Signed in members can post, follow updates, and more. New here? Register a free account.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.